Estolides of hydroxy-containing triglycerides that contain a performance additive

Abstract

A composition comprising; (A) at least one triglyceride estolide of the formula ##STR1## wherein R 1 is an aliphatic group or an aliphatic group containing an ester moiety R 2 COO-- with the proviso that at least one R 1 is an aliphatic group containing the ester moiety, and contains from about 5 to about 23 carbon atoms, and R 2 is a hydrocarbyl group containing from 1 to 100 carbon atoms and (B) at least one performance additive.

What is claimed is: 
     
       1. A composition, comprising; (A) at least one triglyceride estolide of the formula ##STR25## wherein one of the R 1  groups is an aliphatic group containing from 9 to 19 carbon atoms and the remaining R 1  groups are ##STR26## and R 2  is a aliphatic group containing from 2 to 24 carbon atoms and (B) at least one performance additive selected from the group consisting of (1) at least one alkyl phenol of the formula ##STR27## wherein R 3  is an alkyl group containing from 1 up to about 24 carbon atoms and a is an integer of from 1 up to 5;   (2) a benzotriazole of the formula ##STR28## wherein R 4  is hydrogen or an alkyl group of 1 up to about 24 carbon atoms;   (3) a phosphatide of the formula ##STR29## wherein R 5  and R 6  are aliphatic hydrocarbyl groups containing from 8 to about 24 carbon atoms, and G is selected from the group consisting of hydrogen; ##STR30## (4) an amine phosphate (5) citric acid and derivatives of citric acid of the formula ##STR31## wherein R 7 , R 8  and R 9  are independently hydrogen or aliphatic hydrocarbyl groups containing from 1 to about 12 carbon atoms, or an aromatic or substituted aromatic groups containing from 6 to about 50 carbon atoms with the proviso that at least one of R 7 , R 8  and R 9  is an aliphatic hydrocarbyl group;   (6) a triphenyl phosphorothionate   (7) at least one viscosity index improver; and   (8) at least one aromatic amine of the formula ##STR32## wherein R 12  is ##STR33## and R 13  and R 14  are independently a hydrogen or an alkyl group containing from 1 up to about 24 carbon atoms.     
     
     
       2. The composition of claim 1 wherein R 2  is a heptadecenyl group. 
     
     
       3. The composition of claim 2 wherein R 2  is an isostearyl group. 
     
     
       4. The composition of claim 1 wherein within (B)(1) a is 2 and R 3  contains from 1 up to about 8 carbon atoms. 
     
     
       5. The composition of claim 4 wherein the alkyl phenol is of the formula ##STR34## wherein R 3  is t-butyl. 
     
     
       6. The composition of claim 1 wherein within (B)(2) R 4  is hydrogen or an alkyl group containing from 1 up to about 8 carbon atoms. 
     
     
       7. The composition of claim 1 wherein within (B)(2) R 4  is a methyl group. 
     
     
       8. The composition of claim 1 wherein the viscosity index improver (B)(7) is an acrylate polymer of the formula ##STR35## wherein R 10  is hydrogen or a lower alkyl group containing from 1 to about 4 carbon atoms, R 11  is a mixture of alkyl, cycloalkyl or aromatic groups containing from about 4 to about 24 carbon atoms, and x is an integer providing a weight average molecular weight (Mw) to the acrylate polymer of about 5000 to about 1,000,000. 
     
     
       9. The composition of claim 8 wherein R 10  is a methyl group. 
     
     
       10. The composition of claim 8 wherein the molecular weight of the polymer is from about 50,000 to about 500,000. 
     
     
       11. The composition of claim 1 wherein within (B)(8) R 12  is ##STR36## and R 13  and R 14  are alkyl groups containing from 4 to 18 carbon atoms. 
     
     
       12. The composition of claim 11 wherein within (B)(8) R 13  and R 14  are nonyl groups. 
     
     
       13. A composition, comprising; (A) at least one triglyceride estolide prepared by reacting a triglyceride containing --OH functionality with a carboxylic acid of the formula R 2  COOH, HOOCCH═CHCOOH, HOOC(CH 2 ) t  COOH, or Ar(COOH) x  or esters thereof wherein R 2  is a aliphatic group containing from 2 to 24 carbon atoms, t is from zero up to 8, Ar is a benzene or naphthalene nucleus and x is 1, and   (B) at least one performance additive selected from the group consisting of (1) at least one alkyl phenol of the formula ##STR37## wherein R 3  is an alkyl group containing from 1 up to about 24 carbon atoms and a is an integer of from 1 up to 5;   (2) a benzotriazole of the formula ##STR38## wherein R 4  is hydrogen or an alkyl group of 1 up to about 24 carbon atoms;   (3) a phosphatide of the formula ##STR39## wherein R 5  and R 6  are aliphatic hydrocarbyl groups containing from 8 to about 24 carbon atoms, and G is selected from the group consisting of hydrogen; ##STR40## (4) an amine phosphate, (5) citric acid and derivatives of citric acid of the formula ##STR41## wherein R 7 , R 8  and R 9  are independently hydrogen or aliphatic hydrocarbyl groups containing from 1 to about 12 carbon atoms, or an aromatic or substituted aromatic groups containing from 6 to about 50 carbon atoms with the proviso that at least one of R 7 , R 8  and R 9  is an aliphatic hydrocarbyl group;   (6) a triphenyl phosphorothionate;   (7) at least one viscosity index improver; and   (8) at least one aromatic amine of the formula ##STR42## wherein R 12  is ##STR43## and R 13  and R 14  are independently a hydrogen or an alkyl group containing from 1 up to about 24 carbon atoms.